http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/amifdreg.h

#ifndef _LINUX_AMIFDREG_H #define _LINUX_AMIFDREG_H /* ** CIAAPRA bits (read only) */ #define DSKRDY (0x1<<5) /* disk ready when low */ #define DSKTRACK0 (0x1<<4) /* head at track zero when low */ #define DSKPROT (0x1<<3) /* disk protected when low */ #define DSKCHANGE (0x1<<2) /* low when disk removed */ /* ** CIAAPRB bits (read/write) */ #define DSKMOTOR (0x1<<7) /* motor on when low */ #define DSKSEL3 (0x1<<6) /* select drive 3 when low */ #define DSKSEL2 (0x1<<5) /* select drive 2 when low */ #define DSKSEL1 (0x1<<4) /* select drive 1 when low */ #define DSKSEL0 (0x1<<3) /* select drive 0 when low */ #define DSKSIDE (0x1<<2) /* side selection: 0 = upper, 1 = lower */ #define DSKDIREC (0x1<<1) /* step direction: 0=in, 1=out (to trk 0) */ #define DSKSTEP (0x1) /* pulse low to step head 1 track */ /* ** DSKBYTR bits (read only) */ #define DSKBYT (1<<15) /* register contains valid byte when set */ #define DMAON (1<<14) /* disk DMA enabled */ #define DISKWRITE (1<<13) /* disk write bit in DSKLEN enabled */ #define WORDEQUAL (1<<12) /* DSKSYNC register match when true */ /* bits 7-0 are data */ /* ** ADKCON/ADKCONR bits */ #ifndef SETCLR #define ADK_SETCLR (1<<15) /* control bit */ #endif #define ADK_PRECOMP1 (1<<14) /* precompensation selection */ #define ADK_PRECOMP0 (1<<13) /* 00=none, 01=140ns, 10=280ns, 11=500ns */ #define ADK_MFMPREC (1<<12) /* 0=GCR precomp., 1=MFM precomp. */ #define ADK_WORDSYNC (1<<10) /* enable DSKSYNC auto DMA */ #define ADK_MSBSYNC (1<<9) /* when 1, enable sync on MSbit (for GCR) */ #define ADK_FAST (1<<8) /* bit cell: 0=2us (GCR), 1=1us (MFM) */ /* ** DSKLEN bits */ #define DSKLEN_DMAEN (1<<15) #define DSKLEN_WRITE (1<<14) /* ** INTENA/INTREQ bits */ #define DSKINDEX (0x1<<4) /* DSKINDEX bit */ /* ** Misc */ #define MFM_SYNC 0x4489 /* standard MFM sync value */ /* Values for FD_COMMAND */ #define FD_RECALIBRATE 0x07 /* move to track 0 */ #define FD_SEEK 0x0F /* seek track */ #define FD_READ 0xE6 /* read with MT, MFM, SKip deleted */ #define FD_WRITE 0xC5 /* write with MT, MFM */ #define FD_SENSEI 0x08 /* Sense Interrupt Status */ #define FD_SPECIFY 0x03 /* specify HUT etc */ #define FD_FORMAT 0x4D /* format one track */ #define FD_VERSION 0x10 /* get version code */ #define FD_CONFIGURE 0x13 /* configure FIFO operation */ #define FD_PERPENDICULAR 0x12 /* perpendicular r/w mode */ #endif /* _LINUX_AMIFDREG_H */